Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/143425
Title: SERS- and electrochemically active 3D Plasmonic liquid marbles for molecular-level spectroelectrochemical investigation of microliter reactions
Authors: Koh, Charlynn Sher Lin
Lee, Hiang Kwee
Phan-Quang, Gia Chuong
Han, Xuemei
Lee, Mian Rong
Yang, Zhe
Ling, Xing Yi
Keywords: Science::Physics
Issue Date: 2017
Source: Koh, C. S. L., Lee, H. K., Phan-Quang, G. C., Han, X., Lee, M. R., Yang, Z., & Ling, X. Y. (2017). SERS- and electrochemically active 3D Plasmonic liquid marbles for molecular-level spectroelectrochemical investigation of microliter reactions. Angewandte Chemie International Edition, 56(30), 8813-8817. doi:10.1002/anie.201704433
Journal: Angewandte Chemie International Edition
Abstract: Liquid marbles are emergent microreactors owing to their isolated environment and the flexibility of materials used. Plasmonic liquid marbles (PLMs) are demonstrated as the smallest spectroelectrochemical microliter‐scale reactor for concurrent spectro‐ and electrochemical analyses. The three‐dimensional Ag shell of PLMs are exploited as a bifunctional surface‐enhanced Raman scattering (SERS) platform and working electrode for redox process modulation. The combination of SERS and electrochemistry (EC) capabilities enables in situ molecular read‐out of transient electrochemical species, and elucidate the potential‐dependent and multi‐step reaction dynamics. The 3D configuration of our PLM‐based EC‐SERS system exhibits 2‐fold and 10‐fold superior electrochemical and SERS performance than conventional 2D platforms. The rich molecular‐level electrochemical insights and excellent EC‐SERS capabilities offered by our 3D spectroelectrochemical system are pertinent in charge transfer processes.
URI: https://hdl.handle.net/10356/143425
ISSN: 1433-7851
DOI: 10.1002/anie.201704433
Rights: This is the accepted version of the following article: Koh, C. S. L., Lee, H. K., Phan-Quang, G. C., Han, X., Lee, M. R., Yang, Z., & Ling, X. Y. (2017). SERS- and electrochemically active 3D Plasmonic liquid marbles for molecular-level spectroelectrochemical investigation of microliter reactions. Angewandte Chemie International Edition, 56(30), 8813-8817. doi:10.1002/anie.201704433, which has been published in final form at https://doi.org/10.1002/anie.201704433. This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [https://authorservices.wiley.com/authorresources/Journal-Authors/licensing/self-archiving.html].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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